Xenon, also known as Heavy Metal Warrior Xenon, is a Japanese manga series written and illustrated by Masaomi Kanzaki. It was serialized in Shogakukan's shōnen manga magazine Shōnen Big Comic from 1986 to 1987, before being canceled abruptly. Its chapters were collected in four tankōbon volumes. In North America, the manga was published by Viz Communications in partnership with Eclipse Comics, with 23 issues released in comic book format from 1987 to 1988. Viz later released the four volumes from 1991 to 1992. A sequel to the series, titled Xenon: 199X R, started in Tokuma Shoten's seinen manga magazine Monthly Comic Ryū in 2006.